Biology 9700 · AS & A Level · Photosynthesis as an energy transfer process

Photosynthesis as an energy transfer process — practice question

Answer any one question.
(a)[8]

Describe how chlorophyll is photoactivated and how it functions in cyclic photophosphorylation.

(b)[7]

Explain briefly how reduced NADP is produced in the light-dependent stage and how it is used in the light-independent stage.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: photosynthetic pigments organised into light-harvesting clusters

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI